Text to Image
qwen-image
An image generation foundation model in the Qwen series that achieves significant advances in complex text rendering.
API Endpoint
POST https://lumozai.com/api/v4/run
Use this endpoint to run the model with your parameters. Authentication is required using your API key.
Sample Code (PHP cURL)
<?php
// API endpoint URL
$apiUrl = 'https://lumozai.com/api/v4/run';
// Your API key
$apiKey = 'YOUR_API_KEY';
// Model parameters
$params = [
'model_id' => 'qwen-image',
'prompt' => 'Café front window display. A chalkboard sign reads “Freshly Brewed Today”. Below it, a small wooden tray holds labeled jars marked “House Blend” and “Caramel Roast”. To the side, a colorful poster announces “Live Jazz Friday Night” with an illustrated saxophone at the center. On the counter, four pastries are neatly arranged: “Chocolate Croissant”, “Blueberry Muffin”, “Cinnamon Roll”, and “Almond Danish”.',
'negative_prompt' => '',
'aspect_ratio' => '',
'image_size' => '',
'num_inference_steps' => '50',
'output_format' => '',
'guidance' => '4',
'seed' => '',
];
// Initialize cURL session
$curl = curl_init();
// Set cURL options
curl_setopt_array($curl, [
CURLOPT_URL => $apiUrl,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => $params,
CURLOPT_HTTPHEADER => [
'Accept: application/json',
'Authorization: Bearer ' . $apiKey
]
]);
// Execute the request
$response = curl_exec($curl);
$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
// Check for errors
if (curl_errno($curl)) {
echo 'cURL Error: ' . curl_error($curl);
} else {
// Process the response
$result = json_decode($response, true);
if ($httpCode == 200 && isset($result['success']) && $result['success']) {
// Handle successful response
echo "Model output: ";
print_r($result['data']['output']);
} else {
// Handle error response
echo "Error: " . ($result['message'] ?? 'Unknown error');
}
}
// Close cURL session
curl_close($curl);
Request Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| model_id | string | Required | The ID of the model to run (qwen-image) |
| api_key | string | Required | Your API key for authentication (sent via Bearer token in the Authorization header) |
| prompt | string | Required | |
| negative_prompt | string | Optional | |
| aspect_ratio | string | Optional | |
| image_size | string | Optional | |
| num_inference_steps | number | Optional | Number of denoising steps. Recommended range is 28-50, and lower number of steps produce lower quality outputs, faster. |
| output_format | string | Optional | |
| guidance | number | Optional | |
| seed | string | Optional | Random seed. Set for reproducible generation |
Response Format
{
"success": true,
"data": {
"output": "https://lumozai.com/storage/outputs/image_12345.jpg"
}
}
モデル料金
実行した分だけお支払い。月額契約なしで、アカウント残高から直接引き落とされます。
Rate per generation
$
0.03
/ generation
$30.00 per 1,000 generations
コスト計算ツール
1,000 generations
見積もり合計
$30.00
失敗時は即時自動返金 • クレジット有効期限1年間